Call for Discussion: New Project: Skara -- investigating source code management options for the JDK sources
joe.darcy at oracle.com
Thu Aug 2 04:05:29 UTC 2018
PS I presented a slide deck
and led a discussion about Skara on the first day of the OpenJDK
Committers’ Workshop (http://openjdk.java.net/workshop). Within a few
days of the workshop ending, I'll post a summary of the discussions to
On 7/26/2018 8:42 PM, joe darcy wrote:
> The source code management (SCM) system of a software project is a
> fundamental piece of its infrastructure and workflows. Starting in
> February 2008, the source code of different JDK releases and
> supporting projects has been hosted in Mercurial repositories under
> http://hg.openjdk.java.net/. Code reviews of JDK changes are typically
> conducted as discussions in mailing lists over small patches sent to
> one or more lists or over webrevs hosted on cr.openjdk.java.net. Since
> 2008, many open source projects have successfully adopted more
> efficient SCM and review tooling, in some cases provided by third
> In order to help OpenJDK contributors be more productive, both
> seasoned committers and relative newcomers, the Skara project proposes
> to investigate alternative SCM and code review options for the JDK
> source code, including options based upon Git rather than Mercurial,
> and including options hosted by third parties.
> The Skara project intends to build prototypes of hosting the JDK 12
> sources under different providers.
> The evaluation criteria to consider include but are not limited to:
> * Performance: time for clone operations from master repos, time
> of local operations, etc.
> * Space efficiency
> * Usability in different geographies
> * Support for common development environments such as Linux, Mac,
> and Windows
> * Able to easily host the entire history of the JDK and the
> projected growth of its history over the next decade
> * Support for general JDK code review practices
> * Programmatic APIs to enable process assistance and automation of
> review and processes
> If one or more prototypes indicate a different SCM arrangement offers
> substantial improvements over the current situation, the Skara project
> will shepherd a JEP to change the SCM for the JDK.
> I propose to lead the project with the initial reviewers including but
> not limited to Tim Bell (tbell), Erik Duveblad (ehelin), Erik Joelsson
> (erikj), Tiep Vo (tiep), Tony Squier (squierts), and Robin Westberg
> We suggest the build group sponsor this work.
> Changing the bug tracking system is out of scope for this project and
> is *not* under consideration.
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